ARM: bcm63138: add NAND DT support

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm63138.dtsi

@@ -120,6 +120,17 @@
 			reg = <0x4800e0 0x10>;
 			#reset-cells = <2>;
 		};
+
+		nand: nand@2000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "brcm,nand-bcm63138", "brcm,brcmnand-v7.0", "brcm,brcmnand";
+			reg = <0x2000 0x600>, <0xf0 0x10>;
+			reg-names = "nand", "nand-int-base";
+			status = "disabled";
+			interrupts = <GIC_SPI 38 0>;
+			interrupt-names = "nand";
+		};
 	};
 
 	/* Legacy UBUS base */

arch/arm/boot/dts/bcm963138dvt.dts

@@ -28,3 +28,15 @@
 &serial1 {
 	status = "okay";
 };
+
+&nand {
+	status = "okay";
+
+	nandcs@0 {
+		compatible = "brcm,nandcs";
+		reg = <0>;
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+		brcm,nand-oob-sectors-size = <16>;
+	};
+};